CONTACTLESS SMART CARDPVC CARDS 2000, 2001, 2002, 2003, 2004COMPOSITE PVC/PET CARDS 2100, 2101, 2102, 2103, 2104 Proven, Reliable Technology - Offers extremely consistent read range. Unaffected by body shielding or variable environmental conditions. Thin - Can be carried with credit cards in a wallet or purse. Use with a strap and clip as a photo ID badge. Long Life - Passive, no-battery design allows for an estimated minimum 100,000 reads. Durable - Strong, flexible, and resistant to cracking and breaking.